Product SeriesSiemens SIMATIC NET S7-300 CP 343-1 Advanced Communications Processor Series
Product Summary
Verified IdentityLifecycle SourcingBuyer-Ready Data
Siemens 6GK7343-1GX31-0XE0 is a CP 343-1 Advanced communications processor for SIMATIC S7-300. 6GK7343-1GX31-0XE0 adds Gigabit Ethernet, dual PROFINET ports, controller and device functions, TCP/IP services, routing, firewall, VPN, web diagnostics, C-PLUG storage, and PROFIenergy support.
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Product Specifications & Technical Data
Official product description and buyer-focused operating values
Technical product dossier
Product Description
Siemens 6GK7343-1GX31-0XE0 is a SIMATIC NET CP 343-1 Advanced communications processor for S7-300 controllers. It provides one Gigabit Industrial Ethernet port, two 100 Mbit/s PROFINET ports, PROFINET IO controller and device operation, S7 communication, TCP/IP, ISO, UDP, FTP, email, web diagnostics, SNMP, firewall, VPN, routing, C-PLUG storage, and PROFIenergy functions.
External supply voltage24 V DC
Backplane supply voltage5 V DC
Permissible voltage range19.2–28.8 V DC
Ethernet interfaces3
Gigabit interface rate10/100/1000 Mbit/s
PROFINET interface rate10/100 Mbit/s
PROFINET ports2 × RJ45
Configuration storageC-PLUG supported
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Industrial Applications & Use Cases
Specific equipment, industries, and practical operating functions
Buyer application guide
Manufacturing
S7-300 PROFINET Integration
Connect PLCs, distributed I/O, HMIs, drives, and cell equipment through controller and device functions.
Process Plant
Secure Supervisory Communication
Exchange production data with servers, engineering stations, historians, and supervisory systems through protected Ethernet services.
Automotive
Line Network Segmentation
Integrate assembly cells, diagnostics, routing, and controlled communication between machine and plant networks.
Water
Remote Station Connectivity
Connect S7-300 control stations with telemetry, web diagnostics, time services, and secure maintenance access.
Energy
PROFIenergy Coordination
Support energy-management commands and monitored Ethernet communication across auxiliary plant automation.
MRO
CP 343-1 Advanced Replacement
Restore addressing, C-PLUG configuration, security settings, routing, PROFINET assignments, and installed communication services.
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Automation Products by Industry
Where leading industrial automation platforms support operations
Industry demand map
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Industrial Automation Operations HubLifecycle-ready control, communication, safety, and reliability platforms for global installed bases.
Power & Utilities
PLC, protection, turbine control, industrial networking, telemetry, and condition-monitoring products support generation assets and substations.
Discrete Manufacturing
PLC, HMI, motion, robotics, distributed I/O, and managed networking coordinate packaging, assembly, and material flow.
Process Industries
DCS, safety, drives, instrumentation, and communication platforms coordinate oil, gas, chemical, and refining operations.
Infrastructure Systems
Rugged controllers, telemetry, networking, and distributed I/O support water, transport, mining, and remote facilities.
Siemens Industrial Automation
Siemens industrial automation products are widely used in manufacturing, energy, oil and gas, chemicals, water treatment, transportation, mining, and infrastructure. SIMATIC, SCALANCE, SINAMICS, and SINUMERIK series support plant control, industrial networking, motion, operator interaction, and installed-base modernization.
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Independent Supplier Disclaimer
Supplier relationship and trademark ownership disclosure
Independent supply notice
Independent Supply NoticeTrademark and supplier disclosure
Ewolomodule sells new and surplus products and develops channels for purchasing such products. Ewolomodule is not an authorized distributor, dealer, or representative of the manufacturers or trademarks displayed. Product names, brands, trademarks, and logos remain the property of their respective owners and are used for identification purposes only.
Siemens 6ES7516-3TN00-0AB0 is a SIMATIC S7-1500T technology CPU with PROFINET IRT, Ethernet, and PROFIBUS. 6ES7516-3TN00-0AB0 coordinates advanced motion, logic, communication, and diagnostics in demanding industrial automation systems.
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